CN204627946U - 超深井防气抽油泵 - Google Patents
超深井防气抽油泵 Download PDFInfo
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- CN204627946U CN204627946U CN201520286488.9U CN201520286488U CN204627946U CN 204627946 U CN204627946 U CN 204627946U CN 201520286488 U CN201520286488 U CN 201520286488U CN 204627946 U CN204627946 U CN 204627946U
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CN201520286488.9U CN204627946U (zh) | 2015-05-06 | 2015-05-06 | 超深井防气抽油泵 |
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CN204627946U true CN204627946U (zh) | 2015-09-09 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114109331A (zh) * | 2020-08-27 | 2022-03-01 | 中国石油天然气股份有限公司 | 一种火驱采油管柱 |
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- 2015-05-06 CN CN201520286488.9U patent/CN204627946U/zh active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114109331A (zh) * | 2020-08-27 | 2022-03-01 | 中国石油天然气股份有限公司 | 一种火驱采油管柱 |
CN114109331B (zh) * | 2020-08-27 | 2023-12-26 | 中国石油天然气股份有限公司 | 一种火驱采油管柱 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20201106 Address after: 100120 Beijing Xicheng District six laying Kang Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Bohai Petroleum Equipment Manufacturing Co.,Ltd. Patentee after: BOHAI PETROLEUM EQUIPMENT (TIANJIN) NEW CENTURY MACHINERY MANUFACTURING Co.,Ltd. Address before: 300280 happy road, Dagang Oilfield, Grand Port, Tianjin, Tianjin Patentee before: CNPC Bohai Petroleum Equipment Manufacturing Co.,Ltd. Patentee before: BOHAI PETROLEUM EQUIPMENT (TIANJIN) NEW CENTURY MACHINERY MANUFACTURING Co.,Ltd. |
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TR01 | Transfer of patent right |